.vcontainer {
    position: fixed;
    top: 0;
    bottom: 0;
    left: 0;
    right: 0;
    z-index: 2;
}
.vcontainer > img {
	position: absolute;
    top: 50%;
    left: 50%;
    transform: translate(-50%,-50%);
    -webkit-transform: translate(-50%,-50%);
    -moz-transform: translate(-50%,-50%);
    width: 100%;
}
.vloading {
    position: absolute;
    height: 8px; width: 150px;
    border: 1px solid #eee;
    background: linear-gradient(to top, #eee, #eee);
    background-size: 0 100%;
    transition: background-size .1s;
    left: 0; top: 0; right: 0; bottom: 0;
    margin: auto;
    z-index: 5;
}
.vloading::before {
    content: attr(data-percent)'%';
    position: absolute;
    left: 0; top: -1.5em;
    font-size: 12px;
    color: #eee;
    z-index: 5;
}